发明名称 |
Manufacture of rigid foams and compositions therefor |
摘要 |
The use of a liquid for the preparation of a rigid polyurethane and/or polyisocyanurate foam by reacting a polyisocyanate and a polyol in the presence of a blowing agent characterized in that the liquid is an inert, insoluble, non-blowing liquid. CFC-free foams may be obtained showing good insulating properties.
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申请公布号 |
US5356556(A) |
申请公布日期 |
1994.10.18 |
申请号 |
US19930061007 |
申请日期 |
1993.05.14 |
申请人 |
IMPERIAL CHEMICAL INDUSTRIES PLC |
发明人 |
DE VOS, RIK |
分类号 |
C08G18/66;C08J9/00;C08J9/14;(IPC1-7):C09K3/00;C08J9/12 |
主分类号 |
C08G18/66 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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